| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.49 | -0.01 |
| Feb | 2.21 | 2.27 | -0.06 |
| Mar | 3.43 | 3.32 | 0.11 |
| Apr | 4.65 | 4.53 | 0.12 |
| May | 4.97 | 5.04 | -0.07 |
| Jun | 4.47 | 4.48 | -0.01 |
| Jul | 3.82 | 3.90 | -0.08 |
| Aug | 3.68 | 3.49 | 0.19 |
| Sep | 3.39 | 3.35 | 0.04 |
| Oct | 3.18 | 3.25 | -0.07 |
| Nov | 3.43 | 3.40 | 0.03 |
| Dec | 2.55 | 2.57 | -0.02 |
42.26 | 42.09 | 0.17 |